CN105784569B - Visual experiment platform for researching movement of free conductive particles in GIS - Google Patents
Visual experiment platform for researching movement of free conductive particles in GIS Download PDFInfo
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- CN105784569B CN105784569B CN201610224525.2A CN201610224525A CN105784569B CN 105784569 B CN105784569 B CN 105784569B CN 201610224525 A CN201610224525 A CN 201610224525A CN 105784569 B CN105784569 B CN 105784569B
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- gis
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- tube
- organic glass
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- 239000002245 particle Substances 0.000 title claims abstract description 40
- 238000002474 experimental method Methods 0.000 title claims abstract description 26
- 230000000007 visual effect Effects 0.000 title abstract 2
- 239000011521 glass Substances 0.000 claims abstract description 29
- 239000012212 insulator Substances 0.000 claims abstract description 21
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 14
- 229920005479 Lucite® Polymers 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Instructional Devices (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a visual experiment platform for researching the movement of free conductive particles in a GIS (gas insulated switchgear). the movement rule of the free conductive particles in the GIS is researched by building a coaxial cylindrical structure which is consistent with the real size of the GIS. A synthetic glass tube with a layer of transparent conducting film adhered to the inner surface is adopted to simulate a GIS grounding shell, so that the motion condition of free particles in a coaxial cylindrical electrode structure can be observed in all directions. Meanwhile, the basin-type insulator is connected to one end of the experimental tank body, so that experimental research on free conductive particle motion near the insulator can be conveniently carried out. The invention can simulate the real electric field environment in the GIS, is convenient for observing the experimental phenomenon, is simple and easy to implement and is convenient for wide popularization.
Description
Technical field
The invention belongs to gas-insulated defects to protect field, and in particular to a kind of research insulation and obturation combined electrical apparatus (GIS:
Gas Insulated Switchgear) movement of interior free conducting particle experiment porch.
Background technique
GIS is due to being more extensively used in electric system with good insulation performance.GIS is in production, fortune
Mechanical collision, vibration equipment and thermal expansion friction during defeated, assembling etc. can be inevitably generated free conducting particle
Pollutant, these electrically conductive particles can significantly reduce equipment withstanding voltage, even result in insulation fault.Due to being difficult to completely eliminate
The presence of free conducting particle in GIS, thus the characteristics of motion of research freedom electrically conductive particles, grasp its to GIS insulate generate prestige
The reason of side of body, and particle suppression measure is designed on this basis, it is of great significance for the safe and stable operation of GIS.
Since the movement of free particle under coaxial cylindrical electrode structure is not easy to observe, previous research is often based upon flat both at home and abroad
Plate electrode experiment porch, however free particle is in the environment of uniform electric field under plate electrode structures, is actually deposited with GIS
Slightly uneven electric field be not inconsistent, therefore conclusion is not necessarily effective.It can be seen that propose it is a kind of not only met actual condition but also
The free conducting particle experiment porch for being easy to observe is very necessary.
Summary of the invention
In consideration of it, the invention discloses a kind of visualized experiment platforms of free conducting particle movement in research GIS.
Its main technical schemes is as follows:
The visualized experiment platform of free conducting particle movement in a kind of research GIS, it is characterised in that: described device includes
It is closed power supply, GIS tank body, high voltage bus, disc insulator, nut, metal pull bar, lucite tube, adapter flange, transparent
Conductive film, end flange, organic glass observation window；The external one section of GIS tank body of closed power supply, connects by disc insulator
In organic glass experiment porch.
Further, organic glass inboard wall of tube body adheres to layer of transparent conductive film, with Simulated GlS grounding shell, while just
The motion conditions of free particle in comprehensive observation coaxial cylindrical electrode structure.
Further, organic glass internal diameter of tube body size uses practical GIS shell dimension, to simulate in true GIS certainly
By the motion conditions of particle.
Further, GIS tank body is isolated using disc insulator with organic glass experiment tank body, while facilitates progress
The experimental study of insulator free conducting particle movement nearby.
Further, organic glass tube body one end is connected to adapter flange, another to be terminated at end flange, is drawn by metal
Bar fit sealing.
Further, organic glass observation window is installed in end flange lower end, in order to observe free conducting particle
Radial motion.
Further, organic glass observation window is installed in the middle part of end flange, in order to observe free conducting particle
Radial motion.
Further, the closed power supply can be alternating current source or DC source, to study under different voltages in GIS freely
The motion conditions of electrically conductive particles.
As it can be seen that free conducting particle moves visualized experiment platform in research GIS provided by according to the present invention, it can be with mould
Intend the electric field environment in true GIS, and is convenient for observation experiment phenomenon, it is simple and easy, convenient for being widely popularized.
Detailed description of the invention
Fig. 1 is the visualized experiment platform structure that free conducting particle movement in GIS is studied in one embodiment of the invention
Schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing 1 and embodiment,
The present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain the present invention, and
It is not used in the restriction present invention.
In one embodiment, a kind of visualized experiment for studying free conducting particle movement in 550kV GIS is disclosed
Platform, described device include closed power supply, GIS tank body, high voltage bus, disc insulator, nut, metal pull bar, organic glass
Glass pipe, adapter flange, transparent conductive film, end flange, organic glass observation window；The external one section of GIS tank of closed power supply
Body is connected to organic glass experiment porch by disc insulator.
In one embodiment, organic glass inboard wall of tube body adheres to layer of transparent conductive film, with Simulated GlS grounding shell,
Simultaneously convenient for the motion conditions of free particle in comprehensive observation coaxial cylindrical electrode structure.It, should using nano-silver thread conductive film
Conductive film light transmittance is 91%, hardness 2H, 125 μm thick, 50 Ω of surface resistance/m2.
In one embodiment, organic glass internal diameter of tube body size uses practical GIS shell dimension, to simulate true GIS
The motion conditions of middle free particle.In order to simulate 550kVGIS, the lucite tube of internal diameter 520mm is chosen.
In one embodiment, disc insulator, lucite tube, the end flange, organic glass observation window surround
Coaxial cylindrical electrode structure is constituted, which can be observed by lucite tube and organic glass observation window in all directions
The motion conditions of free particle in electrode structure.GIS tank body is isolated with organic glass experiment tank body using disc insulator, together
When facilitate carry out insulator nearby free conducting particle movement experimental study.
In one embodiment, disc insulator concaves towards the peviform of GIS tank body in middle part, and center has wears for high voltage bus
The hole crossed, the hole and high voltage bus constitute sealing structure, and the disc insulator is by the GIS tank body and the lucite tube
Isolation.
In one embodiment, organic one end of canals of stilling of institute is connected to the adapter flange, another to be terminated at the end
Flange, the adapter flange are located at the edge part of the disc insulator, the disc insulator, adapter flange, organic glass
Pipe and end flange pass through the metal pull bar and affiliated nut fit sealing.
In one embodiment, closed power supply is the adjustable alternating current source of voltage or DC source, to study different voltages
The motion conditions of free conducting particle in lower GIS.
Further, organic glass tube body one end is connected to adapter flange, another to be terminated at end flange, is drawn by metal
Bar fit sealing.The stainless steel tube of metal pull bar selection diameter 20mm.
Further, organic glass observation window is installed in end flange lower end, in order to observe free conducting particle
Radial motion.Observation window using diameter 190mm, thickness 25mm poly (methyl methacrylate) plate, with guarantee to bear 0.5 in tank~
The SF6 gas pressure of 0.6MPa.
Further, organic glass observation window also may be mounted at installation in the middle part of end flange, in order to observe freedom
The radial motion of electrically conductive particles.
To sum up, the drawbacks of present invention is according to current free conducting particle experiment porch provides a kind of research GIS
The visualized experiment platform of interior free conducting particle movement, which can either simulate the electric field environment in true GIS, and be convenient for
Observation experiment phenomenon, it is simple and easy, convenient for being widely popularized.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein be it is possible, it is any for the ordinary skill of those this fields for it is real
The replacement and equivalent various parts for applying example are well known.Art technology is any it is noted that not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.
Claims (6)
1. the visualized experiment platform of free conducting particle movement in a kind of research GIS, it is characterised in that: the visualized experiment
Platform includes closed power supply (1), GIS tank body (2), high voltage bus (3), disc insulator (4), nut (5), metal pull bar
(6), lucite tube (7), adapter flange (8), transparent conductive film (9), end flange (10), organic glass observation window (11)；
The external one section of GIS tank body (2) of closed power supply (1), is connected to lucite tube (7) by disc insulator (4)；Organic glass
Glass pipe (7) wall adherency layer of transparent conductive film (9) in vivo, with Simulated GlS grounding shell；
The lucite tube (7) and high voltage bus (3) constitute coaxial cylindrical electrode structure, by lucite tube (7) and have
Machine glass window (11) can observe the motion conditions of free particle in the coaxial cylindrical electrode structure in all directions；
The disc insulator (4) concaves towards the peviforms of GIS tank body (2) in middle part, and center has to be passed through for high voltage bus (3)
Hole, the hole and high voltage bus (3) constitute sealing structure, the disc insulator (4) by the GIS tank body (2) with it is described organic
Glass tube (7) isolation；
One end of lucite tube (7) body is connected to the adapter flange (8), another to be terminated at the end flange (10), institute
State the edge part that adapter flange (8) are located at the disc insulator (4), it is the disc insulator (4), adapter flange (8), organic
Glass tube (7) and end flange (10) pass through the metal pull bar (6) and the nut (5) fit sealing.
2. visualized experiment platform according to claim 1, it is characterised in that: the transparent conductive film (9) is nano silver
Line conductive film, the conductive film light transmittance are 91%, hardness 2H, 125 μm thick, 50 Ω of surface resistance/m2。
3. visualized experiment platform according to claim 1, it is characterised in that: the lucite tube (7) and the GIS
Tank body (2) outer housing size is identical, to simulate the motion conditions of free particle in true GIS.
4. visualized experiment platform according to claim 1, it is characterised in that: organic glass observation window (11) installation
In the middle part of the end flange (10), in order to observe the radial motion of free conducting particle.
5. visualized experiment platform according to claim 1, it is characterised in that: the closed power supply is adjustable for voltage
Alternating current source or DC source, to study the motion conditions of free conducting particle in GIS under different voltages.
6. visualized experiment platform according to claim 1, the metal pull bar selects the stainless steel tube of diameter 20mm；
And/or lucite tube (7) internal diameter is 520mm；And/or lucite tube (7) tube body, with a thickness of 30mm, pressure resistance is
Bear 0.5-0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224525.2A CN105784569B (en) | 2016-04-12 | 2016-04-12 | Visual experiment platform for researching movement of free conductive particles in GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224525.2A CN105784569B (en) | 2016-04-12 | 2016-04-12 | Visual experiment platform for researching movement of free conductive particles in GIS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105784569A CN105784569A (en) | 2016-07-20 |
| CN105784569B true CN105784569B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610224525.2A Active CN105784569B (en) | 2016-04-12 | 2016-04-12 | Visual experiment platform for researching movement of free conductive particles in GIS |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199360A (en) * | 2016-08-31 | 2016-12-07 | 国家电网公司 | A kind of GIS disc insulator surface defect model |
| CN106644843A (en) * | 2016-09-14 | 2017-05-10 | 国家电网公司 | Multifunctional inflatable experiment device for innocuous treatment of metal particles |
| CN110883016B (en) * | 2018-09-11 | 2021-04-30 | 平高集团有限公司 | GIL device and particle catcher |
| CN112133504B (en) * | 2020-07-30 | 2022-05-10 | 河南平芝高压开关有限公司 | Three-support insulator fixing structure and GIL |
| CN112240969A (en) * | 2020-09-01 | 2021-01-19 | 南方电网科学研究院有限责任公司 | Device for simulating free particles attached in GIS |
| CN115718053B (en) * | 2022-11-19 | 2023-07-04 | 沈阳工业大学 | Particle discharge experiment platform foreign matter release device and GIL test system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798484A (en) * | 1993-02-10 | 1998-08-25 | Hitachi, Ltd. | Enclosed electric conductor arrangement |
| EP1150405A2 (en) * | 2000-04-24 | 2001-10-31 | Mitsubishi Denki Kabushiki Kaisha | Vacuum insulated switch gear and production method thereof |
| CN101446617A (en) * | 2008-05-27 | 2009-06-03 | 中国电力科学研究院 | Test apparatus of DC gas insulated metal enclosed transmission line (GIL) |
| CN201965199U (en) * | 2010-12-27 | 2011-09-07 | 湖北省电力试验研究院 | Experiment device for local discharge simulation experiment research of gas insulated switchgear (GIS) |
| CN103913682A (en) * | 2014-03-28 | 2014-07-09 | 重庆大学 | Insulating gas insulating performance experiment system and method thereof applied to electrical equipment |
| CN105466818A (en) * | 2015-12-25 | 2016-04-06 | 国家电网公司 | Experimental platform for simulating and monitoring movement condition of metal particles in GIS |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3143077B2 (en) * | 1997-05-22 | 2001-03-07 | 株式会社日立製作所 | Gas insulation equipment |
| CN100434926C (en) * | 2005-04-26 | 2008-11-19 | 重庆大学 | Gasinsulation combined electric device local discharge analog experimental apparatus and experimental method |
-
2016
- 2016-04-12 CN CN201610224525.2A patent/CN105784569B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798484A (en) * | 1993-02-10 | 1998-08-25 | Hitachi, Ltd. | Enclosed electric conductor arrangement |
| EP1150405A2 (en) * | 2000-04-24 | 2001-10-31 | Mitsubishi Denki Kabushiki Kaisha | Vacuum insulated switch gear and production method thereof |
| CN101446617A (en) * | 2008-05-27 | 2009-06-03 | 中国电力科学研究院 | Test apparatus of DC gas insulated metal enclosed transmission line (GIL) |
| CN201965199U (en) * | 2010-12-27 | 2011-09-07 | 湖北省电力试验研究院 | Experiment device for local discharge simulation experiment research of gas insulated switchgear (GIS) |
| CN103913682A (en) * | 2014-03-28 | 2014-07-09 | 重庆大学 | Insulating gas insulating performance experiment system and method thereof applied to electrical equipment |
| CN105466818A (en) * | 2015-12-25 | 2016-04-06 | 国家电网公司 | Experimental platform for simulating and monitoring movement condition of metal particles in GIS |
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| CN105784569A (en) | 2016-07-20 |
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